Question

Identify the constant of proportionality from the graph. 9 0 15 3 A2

Answer 1

To find the constant of proportionality:

We can see that for every 1 unit we move to the right on the x- axis (positive), the line moves up 2 units.

Divide the change on y by that change on x:

2/1=2

The constant of proportionality is 2. (option a)